class - Single Subject Design and Quasi-experimental Method

class - Single Subject Design and Quasi-experimental Method...

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1.17.3 Class Notes – Single Subject Design and Quasi-experimental Method I) Single Subject Design – single person one is getting a lot of data from a. Problem - can’t really tell us about causal relations in a general population (not generalizable) b. Background – primary way by which early psychologists gathered their data. But there was a decline in this in the ‘20s with more statistical techniques like ANOVA c. When this is used i. If a sample of one is all you can manage. Like in the case of having a very unique subject ii. If you can assume perfect generalizability from one subject to population (animal research) iii. If you can refute a theory where you only need one case in which someone deviates from it (theories that are said to apply to everyone rare) iv. If you have limitations on your ability to observe a certain behavior (e.g. – you find someone that has a very rare condition like Phineas Gage) v. If the research you are doing is extremely costly in money or time or really dangerous or requires a lot of expertise on the part of the experimenter d. General Procedures i. Repeated Measures – measure dependant variable several times
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This note was uploaded on 04/17/2008 for the course PSC 3020 taught by Professor Psychmethods during the Winter '04 term at CSU Stanislaus.

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class - Single Subject Design and Quasi-experimental Method...

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